Specifications
Speakers
Base station
speaker power
output
2.5W(8Ω)
Fistmic speaker
power output
1 W (16 Ω)
External speaker
power output
5 W (8 Ω)
Handset speaker
power output
1 W (16 Ω)
GNSS (GPS)
Channels 72
Cold start < 2 minutes
Receiver IC
Sensitivity
–167 dBm (Tracking) / –148 dBm
(Acquisition)
GNSS
compatibility
• GPS
• GLONASS
• * Beidou
SBAS
compatibility
• WAAS
• EGNOS
•MSAS
Special features
Active Jamming and Interference
Reduction
Operating
frequency
• GPS L1 C/A
• GLONASS L10F
• Beidou B1
Signal
Acquisition
Automatic
Almanac
Update
Automatic
Geodetic Datum
WGS-84 (alternatives available
through Raymarine MFD)
Refresh Rate
10 Hz (10 times per second
Concurrent GNSS)
Antenna
• Internal — Ceramic chip
mounted near top of unit
• External — Passive antenna
connection via TNC connector
Position
Accuracy
• Without SBAS: <= 15 metres
95% of the time
• With SBAS: <= 5 metres 95%
of the time
13.3 Technical specification —
Ray73
Environmental specification
Operating
temperature
-20ºC (-4ºF) to +60ºC (140ºF)
Storage
temperature
-25ºC (-13ºF) to +70ºC (158ºF)
Relative humidity
95%
Water proofing IPx6 & IPx7
Connections • 1 x NMEA 0183
• 1 x SeaTalkng ® / NMEA 2000
• 1 x Front Fistmic connection
• 1 x Rear connection for 2
nd
station
• 1 x Audio (RCA)
• 1 x Loud Hailer connection
wires
• 1 x GNSS (GPS) antenna
(TNC)
Power specification
Nominal supply
voltage
12 V dc (Reverse polarity and
over voltage protection)
Operating voltage
range
9Vdcto16Vdc
Current
consumption
• Lessthan6Aathigh power
(13.6 V)
• Standby: 600 mA
• Receive: 2 A
• Loud hailer: 3 A (8 Ω) / 6 A
(4 Ω)
Transmitter
Channels All available US, International
and Canadian VHF marine
bands
Frequency Range
156.000 MHz to 157.425 MHz
/ 155.500 MHz to 161.425 MHz
(Private channels)
Frequency stability
+/- 1.5 ppm
Channel Spacing 25 kHz
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